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Aerodynamics

Test Drive: Peterbilt’s New Model 579 UltraLoft

Peterbilt’s latest iteration of its Model 579 highway tractor isn’t just an upgrade. It may be one of the most important trucks Peterbilt has ever built. Jack Roberts got to drive one before it was officially unveiled.

NACFE Revises Tractor, Trailer Aero Reports

The North American Council for Freight Efficiency (NACFE) has revised its Tractor Aerodynamic Devices and Trailer Aerodynamic Devices confidence reports. Originally published in 2016, several equipment developments led NACFE to revise the reports.

3 Fleets Share Fuel-Saving Strategies

Sustainability and fuel savings strategies vary greatly depending on each fleet’s operations and applications. Some motor carriers may even need to adopt multiple strategies and specs for different parts of their fleet. Three fleets with different operations share their sustainability and fuel economy tactics.

Rocketail Aero Device Now Retracts in Collisions

Rocketail XR is an upgrade of the Rocketail aerodynamic systems for reducing tail-end drag on semi-trailers. It addresses the problem of aerodynamic trailer boat tails sustaining damage on impact with loading docks or other objects.

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